TD_FTest Output - Teradata® Database

Database Analytic Functions

Product
Teradata® Database
Release Number
17.10
Published
July 2021
Language
English (United States)
Last Update
2021-07-28
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Teradata_Vantage™___Advanced_SQL_Engine_Analytic_Functions.withLogo_upload_July2021/wnd1589838592459.ditamap
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Teradata_Vantage™___Advanced_SQL_Engine_Analytic_Functions.withLogo_upload_July2021/ayr1485454803741.ditaval
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B035-1206
lifecycle
previous
Product Category
Teradata Vantage™

Output Table Schema

Column Data Type Description
FirstSampleVariance DOUBLE PRECISION Variance of first sample population.
SecondSampleVariance DOUBLE PRECISION Variance of second sample population.
VarianceRatio DOUBLE PRECISION FirstSampleVariance/SecondSampleVariance
DF1 INTEGER Degrees of freedom of first sample.
DF2 INTEGER Degrees of freedom of second sample.
CriticalValue DOUBLE PRECISION Critical value calculated using Alpha for test.
Alpha DOUBLE PRECISION alpha (see TD_FTest Syntax Elements).
p_value DOUBLE PRECISION Probability associated with F-test statistic.
Conclusion VARCHAR F-test result, either 'reject null hypothesis' or 'fail to reject null hypothesis'.